Re: 1999 Chevy Silverado A/C ?
My '99 Tahoe was doing the same thing the other day and it was my pressure sw. connector lose i had to stop twice and fiddle with it and it hasnt done it any more.
It could also be your pressure sw. going bad but i'd ck the connector 1st.
It's located on the receiver dryer on the firewall on the passangers side.
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